<template>
  <transition name="move">
    <div v-show="showFlag" class="food" ref="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image">
          <div class="back" @click="hide">
            <i class="left">←</i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span>
            <span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span><span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
          </div>
          <div class="cartcontrol-wrapper">
            <cartcontrol :food="food" @cartadd="addfood"></cartcontrol>
          </div>
          <transition name="fade">
            <div class="buy" v-show="!food.count || food.count === 0" @click.stop.prevent="addfirst">加入购物车</div>
          </transition>
        </div>
        <split  v-show="food.info"></split>
        <div class="info" v-show="food.info">
          <h1 class="title">商品信息</h1>
          <p class="text">{{food.info}}</p>
        </div>
        <split></split>
        <div class="rating">
          <h1 class="title">商品评价</h1>
          <ratingselect @change="change" @togglecontent="togglecontent" :select-type="selectType"
          :only-content="onlyContent" :desc="desc" :ratings="food.ratings"></ratingselect>
          <div class="rating-wrapper">
            <ul v-show="food.ratings && food.ratings">
              <li v-for="rating in food.ratings" :key="rating.index" class="rating-item border-1px"
                  v-show="needShow(rating.rateType, rating.text)">
                <div class="user">
                  <span class="name">{{rating.username}}</span>
                  <img class="avatar" width="12" height="12" :src="rating.avatar">
                </div>
                <div class="time">{{rating.rateTime | formatDate}}</div>
                <p class="text">
                  <span class="icon-thumb_up" v-show="rating.rateType === 0">✔</span>
                  <span class="icon-thumb_down" v-show="rating.rateType === 1">✖</span>
                  {{rating.text}}
                </p>
              </li>
            </ul>
            <div class="no-rating" v-show="!food.ratings || !food.ratings.length">暂无评价</div>
          </div>
        </div>
      </div>
    </div>
  </transition>
</template>

<script>
import BSCroll from 'better-scroll'
import cartcontrol from './Cartcontrol'
import split from './Split'
import ratingselect from './RatingSelect'
import {formatDate} from '../../../src/js/date'
import Vue from 'vue'

const ALL = 2
export default {
  name: 'Food',
  components: {
    cartcontrol,
    split,
    ratingselect
  },
  props: {
    food: {
      type: Object
    }
  },
  data () {
    return {
      showFlag: false,
      selectType: ALL,
      onlyContent: true,
      desc: {
        all: '全部',
        positive: '推荐',
        negative: '吐槽'
      }
    }
  },
  methods: {
    show () {
      this.showFlag = true
      this.selectType = ALL
      this.onlyContent = true
      this.$nextTick(() => {
        if (!this.scroll) {
          this.scroll = new BSCroll(this.$refs.food, {
            click: true
          })
        } else {
          this.scroll.refresh()
        }
      })
    },
    hide () {
      this.showFlag = false
    },
    addfirst () {
      if (!this.food.count) {
        Vue.set(this.food, 'count', 1)
        this.food.count = 1
      }
      this.$emit('cartadd', event.target)
    },
    change (type) {
      this.selectType = type
      this.$nextTick(() => {
        this.scroll.refresh()
      })
    },
    togglecontent (onlyContent) {
      this.onlyContent = onlyContent
      this.$nextTick(() => {
        this.scroll.refresh()
      })
    },
    needShow (type, text) {
      if (this.onlyContent && !text) {
        return false
      }
      if (this.selectType === ALL) {
        return true
      } else {
        return type === this.selectType
      }
    },
    addfood (target) {
      this._drop(target)
    },
    _drop (target) {
      this.$nextTick(() => {
        this.$emit('cartadd', event.target)
      })
    }
  },
  filters: {
    formatDate (time) {
      let date = new Date(time)
      return formatDate(date, 'yyyy-MM-dd hh:mm')
    }
  }
}
</script>

<style lang="stylus" scoped>
@import '../../assets/styles/maxin.styl'
  .food
    position fixed
    left 0
    top 0
    bottom .96rem
    z-index 30
    width 100%
    background #fff
    transition all 0.2s linear
    &.move-enter,&.move-leave-active
      transform translate3d(100%,0,0)
    .image-header
      position relative
      width 100%
      height 0
      padding-top 100%
      img
        position absolute
        top 0
        left 0
        width 100%
        height 100%
      .back
        position absolute
        top .2rem
        left 0
        .left
          display block
          padding .2rem
          font-size .4rem
          color #fff
    .content
      position relative
      padding .36rem
      .title
        line-height .28rem
        margin-bottom .16rem
        font-size .28rem
        font-weight 700
        color rgb(7,17,27)
      .detail
        margin-bottom .36rem
        height .2rem
        line-height .2rem
        font-size 0
        .sell-count, .rating
          font-size .2rem
          color rgb(147,153,159)
        .sell-count
          margin-right .24rem
      .price
          font-weight 700
          line-height .48rem
          .now
            margin-right .16rem
            font-size .28rem
            color red
          .old
            text-decoration line-through
            font-size .2rem
            color rgb(147,153,159)
      .cartcontrol-wrapper
        position absolute
        right .24rem
        bottom .24rem
      .buy
        position absolute
        right .36rem
        bottom .36rem
        z-index 10
        height .48rem
        line-height .48rem
        padding 0 .24rem
        box-sizing border-box
        font-size .2rem
        border-radius .24rem
        color #fff
        background rgb(0,160,220)
        transition all 0.2s
        opacity 1
        &.fade-enter,&.fade-leave-active
          opacity 0
    .info
      padding .36rem
      .title
        line-height .28rem
        margin-bottom .12rem
        font-size .28rem
        color rgb(7,17,27)
      .text
        line-height .48rem
        padding 0 .16rem
        font-size .24rem
        color rgb(77,85,93)
    .rating
        padding-top .36rem
        .title
          line-height .28rem
          margin-left .36rem
          font-size .28rem
          color rgb(7,17,27)
        .rating-wrapper
          padding 0 .36rem
          .rating-item
            position relative
            padding .32rem 0
            border-1px(rgba(7,17,27,0.1))
            .user
              position :absolute
              right 0
              top .32rem
              line-height .24rem
              font-size 0
              .name
                display inline-block
                margin-right .12rem
                vertical-align top
                font-size .2rem
                color rgb(147,153,159)
              .avatar
                border-radius 50%
            .time
              line-height .24rem
              margin-bottom .12rem
              font-size .2rem
              color rgb(147,153,159)
            .text
              line-height .32rem
              font-size .24rem
              color rgb(7,17,27)
              .icon-thumb_up, .icon-thumb_down
                margin-right .08rem
                line-height .32rem
                font-size .24rem
              .icon-thumb_up
                color rgb(0,160,220)
              .icon-thumb_down
                color rgb(147,153,159)
          .no-rating
            padding .32rem 0
            font-size .24rem
            color rgb(147,153,159)
</style>
